Locking barbell collar



FIG. 1 is a perspective view of a locking barbell collar, showing my new design in a locked configuration;

FIG. 2 is a right-side elevational view of FIG. 1;

FIG. 3 is a left-side elevational view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 1;

FIG. 5 is a rear elevational view of FIG. 1;

FIG. 6 is a top plan view of FIG. 1;

FIG. 7 is a bottom plan view of FIG. 1;

FIG. 8 is a perspective view thereof, illustrated in an open configuration;

FIG. 9 is a right-side elevational view of FIG. 8;

FIG. 10 is a left-side elevational view of FIG. 8;

FIG. 11 is a front elevational view of FIG. 8;

FIG. 12 is a rear elevational view of FIG. 8;

FIG. 13 is a top plan view of FIG. 8; and,

FIG. 14 is a bottom plan view of FIG. 8.

The broken lines showing a dumbell and weight in FIGS. 1 and 8 depict environmental matter and form no part of the claimed design. 

CLAIM I claim the ornamental design for a locking barbell collar, as shown and described. 